PHOTOS: Memorial at Georgia home where mother allegedly killed family

Police said Isabel Martinez called 911 after stabbing four of her children and their father to death Thursday morning. Police discovered the bodies of her husband and four children inside the Loganville, Ga., house. (Jessica Noll / WXIA)

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Police said Isabel Martinez called 911 after stabbing four of her children and their father to death Thursday morning. Police discovered the bodies of her husband and four children inside the Loganville, Ga., house. (Jessica Noll / WXIA)